http://sl-si.facebookwkhpilnemxj7asaniu7vnjjbiltxjqhye3mhbshg7kx5tfyd.onion/business/help/902459833240201
Facebook in-stream video is an ad placement where you can deliver 5- to 15-second ads to people watching videos. This includes videos on Facebook from familiar publishers and digital-first creators that tailor their content to Facebook audiences and live videos from a select group of approved partners.